Chapter 28, Problem 28.2PE

(Create a file for a graph) Modify Listing 28.2, TestGraph.java to create a file representing graph1. The file format is described in Programming Exercise 28.1. Create the file from the array defined in lines 8–21 in Listing 28.2. The number of vertices for the graph is 12, which will be stored in the first line of the file. The contents of the file should be as follows:

12

0 1 3 5

1 0 2 3

2 1 3 4 10

3 0 1 2 4 5

4 2 3 5 7 8 10

5 0 3 4 6 7

6 5 7

7 4 5 6 8

8 4 7 9 10 11

9 8 11

10 2 4 8 11

11 8 9 10